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Au38S2(SAdm)(20) Photocatalyst for One-Step Selective Aerobic Oxidations
Li, Zhimin1; Liu, Chao1; Abroshan, Hadi2; Kauffman, Douglas R.3; Li, Gao1
关键词Au Nanocluster Au-38 Singlet Oxygen Aerobic Oxidation Photocatalysis Sulfoxidation
刊名ACS CATALYSIS
2017-05-01
DOI10.1021/acscatal.7b00239
7页:3368-3374
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]SINGLET OXYGEN ; OPTICAL-PROPERTIES ; GOLD NANOCLUSTER ; GENERATION ; CLUSTERS ; PHOTOSENSITIZERS ; NANOPARTICLES ; SENSITIZER ; ENERGY ; STATE
英文摘要We here report a protocol for the synthesis of Au38S2(SAdm)(20) nanoclusters (-SAdm = 1-adamantanethiolate) with a higher production yield (10%) in comparison to previous reported methods. The photosensitizing properties of the gold nanoclusters are investigated for the formations of singlet oxygen (O-1(2)) using visible light wavelengths of 532 and 650 nm. The formation of O-1(2) was detected by 1,3-diphenylisobenzofuran as the chemical trapping probe as well as direct observation of the characteristic O-1(2) emission (ca. 1276 nm). The efficiency of the O-1(2) formation using the Au38S2(SAdm)(20) nanoclusters is found to be notably higher than that of Au-25(SR)(18) nanoclusters. Finally, selective aerobic oxidations of sulfide to sulfoxide and benzylamine to imine in the presence of oxygen (O-3(2)) and photoexcited Au38S2(SAdm)(20) are well studied. This work demonstrates the promise of Au38S2(SAdm)(20) nanoclusters in the generation of activated singlet oxygen for selective catalytic reactions.
语种英语
WOS记录号WOS:000401054300034
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/152306
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Gold Catalysis Res Ctr, Dalian 116023, Peoples R China
2.Carnegie Mellon Univ, Dept Chem, Pittsburgh, PA 15213 USA
3.US DOE, NETL, Pittsburgh, PA 15236 USA
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Li, Zhimin,Liu, Chao,Abroshan, Hadi,et al. Au38S2(SAdm)(20) Photocatalyst for One-Step Selective Aerobic Oxidations[J]. ACS CATALYSIS,2017,7:3368-3374.
APA Li, Zhimin,Liu, Chao,Abroshan, Hadi,Kauffman, Douglas R.,&Li, Gao.(2017).Au38S2(SAdm)(20) Photocatalyst for One-Step Selective Aerobic Oxidations.ACS CATALYSIS,7,3368-3374.
MLA Li, Zhimin,et al."Au38S2(SAdm)(20) Photocatalyst for One-Step Selective Aerobic Oxidations".ACS CATALYSIS 7(2017):3368-3374.
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